to unfeather the propeller
1unfeather — An operation in which the propeller blades move to the lowest pitch from the high pitch angle consequent to feathering. This reduction of the angle of the blades’ aerodynamic forces unloads the engine and causes the propeller to rotate faster or …
2Capital Airlines Flight 20 — Infobox Airliner accident|name=Capital Airlines Flight 20 Date=January 18 1960 Type=Engine failure, loss of control Site=near Charles City, Virginia Fatalities=50 Injuries=0 Aircraft Type=Vickers 745D Viscount Operator=Capital Airlines Tail… …
